2026-03-19 08:07.12: New job: test mirage/mirage-flow https://github.com/mirage/mirage-flow.git#refs/heads/main (c0efad0f73f95daba1736fb8631708da41ef5f3f) (linux-arm64:debian-13-4.14_arm64_opam-2.5)Base: ocaml/opam:debian-13-ocaml-4.14@sha256:bb26bd0b395363e31dbb0c8f26276c80a9cf90d8cac4c622fa75bed398506adaOpam project buildTo reproduce locally:git clone --recursive "https://github.com/mirage/mirage-flow.git" -b "main" && cd "mirage-flow" && git reset --hard c0efad0fcat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-4.14@sha256:bb26bd0b395363e31dbb0c8f26276c80a9cf90d8cac4c622fa75bed398506ada# debian-13-4.14_arm64_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam ./RUN opam pin add -yn mirage-flow.dev './' && \opam pin add -yn mirage-flow-unix.dev './' && \opam pin add -yn mirage-flow-combinators.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.22.0 dune-configurator.3.22.0 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.14.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y mirage-flow.dev mirage-flow-unix.dev mirage-flow-combinators.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-03-19 08:07.12: Using cache hint "mirage/mirage-flow-ocaml/opam:debian-13-ocaml-4.14@sha256:bb26bd0b395363e31dbb0c8f26276c80a9cf90d8cac4c622fa75bed398506ada-debian-13-4.14_arm64_opam-2.5-dcc528800b31b6760902a44f1fedfd89"2026-03-19 08:07.12: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-4.14@sha256:bb26bd0b395363e31dbb0c8f26276c80a9cf90d8cac4c622fa75bed398506ada)(comment debian-13-4.14_arm64_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(workdir /src)(run (shell "sudo chown opam /src"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam)(dst ./))(run (network host)(shell "opam pin add -yn mirage-flow.dev './' && \\nopam pin add -yn mirage-flow-unix.dev './' && \\nopam pin add -yn mirage-flow-combinators.dev './'"))(run (shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.22.0 dune-configurator.3.22.0 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.14.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4")(env CI true)(env OCAMLCI true)(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y mirage-flow.dev mirage-flow-unix.dev mirage-flow-combinators.dev $DEPS"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))(copy (src .) (dst /src))(run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")))2026-03-19 08:07.12: Waiting for resource in pool OCluster2026-03-19 10:23.40: Waiting for worker…2026-03-19 10:41.10: Got resource from pool OClusterBuilding on ainia.caelum.ci.devAll commits already cachedHEAD is now at c0efad0 Merge pull request #53 from hannesm/variants(from ocaml/opam:debian-13-ocaml-4.14@sha256:bb26bd0b395363e31dbb0c8f26276c80a9cf90d8cac4c622fa75bed398506ada)Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:bb26bd0b395363e31dbb0c8f26276c80a9cf90d8cac4c622fa75bed398506ada' locallydocker.io/ocaml/opam@sha256:bb26bd0b395363e31dbb0c8f26276c80a9cf90d8cac4c622fa75bed398506ada: Pulling from ocaml/opamac9148dc57ca: Already exists7888403f6ebd: Already existsc624d8e138d3: Already existsbae5329cb92a: Already exists6228156e24ec: Already existsd851fec6b77f: Already exists45e3afcdcfef: Already existsb3e7f2150c0a: Already exists91048a8ba3a7: Already exists26a15cffb83a: Already exists3c2f2520de0f: Already exists9f731cc5daa6: Already exists0809377d5f3c: Already existsec4e42e8f98c: Already exists065e3401ccf2: Already existsbce3ceded749: Already existsc4a4a6ab703b: Already existsaa84bc2cf05b: Already exists0fb96351134e: Already existsa1735f92ccde: Already existsdce836972d90: Already exists8a0c641e2184: Already exists4f4fb700ef54: Already exists44a2b50d619a: Already existse27f63ab21e8: Already exists826c3a0f7d41: Already exists7fe544c7b3e6: Already existsefa4af957d6d: Already existsa2fa2f09a7e4: Already exists3e0efbdba3cc: Already exists4f299997ffd7: Already existsf868b4e81e65: Already exists87577251fd14: Already exists5e9e2e42ec71: Already exists99812197be51: Already exists8b48f92b9c03: Already exists6336fa3f0edf: Already existsf03483f6ff47: Already exists26c2642c44cf: Already exists35e7bc3e512e: Already existsfb2e4e264f0c: Already exists0302ffbcdd6f: Pulling fs layerb6103da63ef0: Pulling fs layerc8238d08ec04: Pulling fs layer84114018616a: Pulling fs layer84114018616a: Waitingb6103da63ef0: Download complete84114018616a: Verifying Checksum84114018616a: Download completec8238d08ec04: Download complete0302ffbcdd6f: Verifying Checksum0302ffbcdd6f: Download complete0302ffbcdd6f: Pull completeb6103da63ef0: Pull completec8238d08ec04: Pull complete84114018616a: Pull completeDigest: sha256:bb26bd0b395363e31dbb0c8f26276c80a9cf90d8cac4c622fa75bed398506adaStatus: Downloaded newer image for ocaml/opam@sha256:bb26bd0b395363e31dbb0c8f26276c80a9cf90d8cac4c622fa75bed398506ada2026-03-19 10:41.11 ---> using "6c35a6891e911a30fdf28b8e523ebc9def3db09c3bfc8ca0847b476f0567f309" from cache/: (comment debian-13-4.14_arm64_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-03-19 10:41.11 ---> using "9f7501b9862b57a830bacd2a4556ac11a5c9647cf16631d4ba621fc5fdf2aed0" from cache/src: (run (shell "opam init --reinit -ni"))Configuring from /home/opam/.opamrc and then from built-in defaults.Checking for available remotes: rsync and local, git.- you won't be able to use mercurial repositories unless you install the hg command on your system.- you won't be able to use darcs repositories unless you install the darcs command on your system.This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted.You may want to back it up before going further.Continue? [Y/n] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-03-19 10:41.11 ---> using "3eaefff7ddf8815ba15870368e13f1536ea95603b64e8697f58bb017434eeddb" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-85-genericThe OCaml toplevel, version 4.14.22.5.02026-03-19 10:41.11 ---> using "163f42a8fcd7b3a31744df52896efae8623525d86c76d60da1dd024d6cec79f0" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-03-19 10:41.11 ---> using "e95a875afafb0a2298edf332532b06823b329a36e54cc625b3a0c85747134044" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADffb54b9bdd..9f189ca4f9 master -> origin/master9f189ca4f9 Merge pull request #29562 from shonfeder/release-dune-3.22.0<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything as up-to-date as possible (run with --verbose to show unavailable upgrades).However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-03-19 10:41.11 ---> using "f0e189df61208d0392ed5a461c918b21ce80b55f607e89b97bbba5d4efa4e3fb" from cache/src: (copy (src mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam)(dst ./))2026-03-19 10:41.12 ---> saved as "cf682d7e73840b9dcc9b449423270d3071dddc5f7f8186a61b9c03a75c06d53d"/src: (run (network host)(shell "opam pin add -yn mirage-flow.dev './' && \\nopam pin add -yn mirage-flow-unix.dev './' && \\nopam pin add -yn mirage-flow-combinators.dev './'"))[mirage-flow.dev] synchronised (file:///src)mirage-flow is now pinned to file:///src (version dev)[mirage-flow-unix.dev] synchronised (file:///src)mirage-flow-unix is now pinned to file:///src (version dev)[mirage-flow-combinators.dev] synchronised (file:///src)mirage-flow-combinators is now pinned to file:///src (version dev)2026-03-19 10:41.17 ---> saved as "8dfa3ff014deff3529590db07d970d8d20e81edbd70a065b17e8829496483f94"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-03-19 10:41.18 ---> saved as "fd620b61f3f41c8e2607eeb30fc27d9bc118c7fdbf1bbfbba20da978488a280f"/src: (env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.22.0 dune-configurator.3.22.0 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.14.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4")/src: (env CI true)/src: (env OCAMLCI true)/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y mirage-flow.dev mirage-flow-unix.dev mirage-flow-combinators.dev $DEPS"))+ /usr/bin/sudo "apt-get" "update"- Get:1 http://deb.debian.org/debian trixie InRelease [140 kB]- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]- Get:4 http://deb.debian.org/debian trixie/main arm64 Packages [9607 kB]- Get:5 http://deb.debian.org/debian-security trixie-security/main arm64 Packages [116 kB]- Fetched 9954 kB in 1s (7453 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[mirage-flow.dev] synchronised (file:///src)[mirage-flow-combinators.dev] synchronised (file:///src)[mirage-flow-unix.dev] synchronised (file:///src)[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-config is already installed (current version is 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).[NOTE] Package ocaml is already installed (current version is 4.14.2).[NOTE] Package base-unix is already installed (current version is base).[NOTE] Package base-threads is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).# To update the current shell environment, run: eval $(opam env)2026-03-19 10:41.32 ---> saved as "60b132cc48a0750042a533aa3b3d8ab620513c8803077fd0cd7a4bb76b5ac886"/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-config is already installed (current version is 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).[NOTE] Package ocaml is already installed (current version is 4.14.2).[NOTE] Package base-unix is already installed (current version is base).[NOTE] Package base-threads is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).The following actions will be performed:=== install 22 packages- install alcotest 1.9.1- install astring 0.8.5- install base-bytes base- install cmdliner 2.1.0- install cppo 1.8.0- install csexp 1.5.2- install cstruct 6.2.0- install dune 3.22.0- install dune-configurator 3.22.0- install fmt 0.11.0- install logs 0.10.0- install lwt 6.1.1- install mirage-mtime 5.2.0- install mtime 2.1.0- install ocaml-syntax-shims 1.0.0- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install ocplib-endian 1.2- install re 1.14.0- install stdlib-shims 0.3.0- install topkg 1.1.1- install uutf 1.0.4<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved alcotest.1.9.1 (cached)-> retrieved astring.0.8.5 (cached)-> retrieved cmdliner.2.1.0 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved cstruct.6.2.0 (cached)-> retrieved fmt.0.11.0 (cached)-> retrieved logs.0.10.0 (cached)-> retrieved lwt.6.1.1 (cached)-> retrieved mirage-mtime.5.2.0 (cached)-> retrieved mtime.2.1.0 (cached)-> retrieved ocaml-syntax-shims.1.0.0 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved ocplib-endian.1.2 (cached)-> retrieved re.1.14.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved uutf.1.0.4 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved dune.3.22.0, dune-configurator.3.22.0 (cached)-> installed cmdliner.2.1.0-> installed ocamlbuild.0.16.1-> installed ocamlfind.1.9.8-> installed base-bytes.base-> installed topkg.1.1.1-> installed uutf.1.0.4-> installed fmt.0.11.0-> installed mtime.2.1.0-> installed astring.0.8.5-> installed dune.3.22.0-> installed stdlib-shims.0.3.0-> installed mirage-mtime.5.2.0-> installed csexp.1.5.2-> installed cppo.1.8.0-> installed cstruct.6.2.0-> installed ocaml-syntax-shims.1.0.0-> installed re.1.14.0-> installed ocplib-endian.1.2-> installed alcotest.1.9.1-> installed dune-configurator.3.22.0-> installed lwt.6.1.1-> installed logs.0.10.0Done.# To update the current shell environment, run: eval $(opam env)2026-03-19 10:42.25 ---> saved as "9edb79d6789dcf77357500008703669ff2b5c01e688771b3bec8262c34b114ce"/src: (copy (src .) (dst /src))2026-03-19 10:42.27 ---> saved as "c0b7cd3c7c487529d60eeea486dfe5bc0a3e6572ae53ec26b031e6c6e894d33f"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default/test && ./test.exe)Testing `mirage-flow'.This run has ID `QSSC9MZV'.[OK] string 0 input.[OK] string 1 output.[OK] strings 0 input.[OK] strings 1 output.[OK] cstruct 0 input.[OK] cstruct 1 output.[OK] cstructs 0 input.[OK] cstructs 1 output.[OK] lwt-io 0 input.[OK] lwt-io 1 output.Full test results in `/src/_build/default/test/_build/_tests/mirage-flow'.Test Successful in 0.002s. 10 tests run.2026-03-19 10:42.28 ---> saved as "c73776699ae5b0e334f4ca5d120b380e71287edbce5b107f961883bb22d111fe"Job succeeded2026-03-19 10:42.28: Job succeeded